hw/arm/mcimx6ul-evk.c

   1 /*
   2  * Copyright (c) 2018 Jean-Christophe Dubois <jcd@tribudubois.net>
   3  *
   4  * MCIMX6UL_EVK Board System emulation.
   5  *
   6  * This code is licensed under the GPL, version 2 or later.
   7  * See the file `COPYING' in the top level directory.
   8  *
   9  * It (partially) emulates a mcimx6ul_evk board, with a Freescale
  10  * i.MX6ul SoC
  11  */
  12
  13 #include "qemu/osdep.h"
  14 #include "qapi/error.h"
  15 #include "qemu-common.h"
  16 #include "hw/arm/fsl-imx6ul.h"
  17 #include "hw/boards.h"
  18 #include "sysemu/sysemu.h"
  19 #include "qemu/error-report.h"
  20 #include "sysemu/qtest.h"
  21
  22 typedef struct {
  23     FslIMX6ULState soc;
  24     MemoryRegion ram;
  25 } MCIMX6ULEVK;
  26
  27 static void mcimx6ul_evk_init(MachineState *machine)
  28 {
  29     static struct arm_boot_info boot_info;
  30     MCIMX6ULEVK *s = g_new0(MCIMX6ULEVK, 1);
  31     int i;
  32
  33     if (machine->ram_size > FSL_IMX6UL_MMDC_SIZE) {
  34         error_report("RAM size " RAM_ADDR_FMT " above max supported (%08x)",
  35                      machine->ram_size, FSL_IMX6UL_MMDC_SIZE);
  36         exit(1);
  37     }
  38
  39     boot_info = (struct arm_boot_info) {
  40         .loader_start = FSL_IMX6UL_MMDC_ADDR,
  41         .board_id = -1,
  42         .ram_size = machine->ram_size,
  43         .kernel_filename = machine->kernel_filename,
  44         .kernel_cmdline = machine->kernel_cmdline,
  45         .initrd_filename = machine->initrd_filename,
  46         .nb_cpus = smp_cpus,
  47     };
  48
  49     object_initialize_child(OBJECT(machine), "soc", &s->soc,  sizeof(s->soc),
  50                             TYPE_FSL_IMX6UL, &error_fatal, NULL);
  51
  52     object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal);
  53
  54     memory_region_allocate_system_memory(&s->ram, NULL, "mcimx6ul-evk.ram",
  55                                          machine->ram_size);
  56     memory_region_add_subregion(get_system_memory(),
  57                                 FSL_IMX6UL_MMDC_ADDR, &s->ram);
  58
  59     for (i = 0; i < FSL_IMX6UL_NUM_USDHCS; i++) {
  60         BusState *bus;
  61         DeviceState *carddev;
  62         DriveInfo *di;
  63         BlockBackend *blk;
  64
  65         di = drive_get_next(IF_SD);
  66         blk = di ? blk_by_legacy_dinfo(di) : NULL;
  67         bus = qdev_get_child_bus(DEVICE(&s->soc.usdhc[i]), "sd-bus");
  68         carddev = qdev_create(bus, TYPE_SD_CARD);
  69         qdev_prop_set_drive(carddev, "drive", blk, &error_fatal);
  70         object_property_set_bool(OBJECT(carddev), true,
  71                                  "realized", &error_fatal);
  72     }
  73
  74     if (!qtest_enabled()) {
  75         arm_load_kernel(&s->soc.cpu[0], &boot_info);
  76     }
  77 }
  78
  79 static void mcimx6ul_evk_machine_init(MachineClass *mc)
  80 {
  81     mc->desc = "Freescale i.MX6UL Evaluation Kit (Cortex A7)";
  82     mc->init = mcimx6ul_evk_init;
  83     mc->max_cpus = FSL_IMX6UL_NUM_CPUS;
  84 }
  85 DEFINE_MACHINE("mcimx6ul-evk", mcimx6ul_evk_machine_init)